/* BDVB-App
Copyright (C) 2014 Sascha Manns <Sascha.Manns@outlook.de>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/


using System;
using System.Diagnostics;

using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Media.Imaging;

namespace AppStudio.Controls
{
    public class ThumbnailConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, string language)
        {
            try
            {
                if (value != null && value.ToString() != String.Empty)
                {
                    Uri uri = null;
                    string url = value.ToString();
                    if (url.StartsWith("/"))
                    {
                        uri = new Uri(string.Concat("ms-appx://", url), UriKind.Absolute);
                    }
                    else
                    {
                        uri = new Uri(url, UriKind.Absolute);
                    }
                    var bm = new BitmapImage(uri)
                    {
                        CreateOptions = BitmapCreateOptions.None,
                        DecodePixelHeight = System.Convert.ToInt32(parameter)
                    };

                    return bm;
                }
            }
            catch (Exception ex)
            {
                AppLogs.WriteError("ThumbnailConverter.Convert", ex);
            }
            return value;
        }

        public object ConvertBack(object value, Type targetType, object parameter, string language)
        {
            throw new NotImplementedException();
        }
    }
}
